Search Results - "SACK, Stefan"

Implant-based multiparameter telemonitoring of patients with heart failure (IN-TIME): a randomised controlled trial by Hindricks, Gerhard, Prof, Taborsky, Milos, Prof, Glikson, Michael, Prof, Heinrich, Ullus, MD, Schumacher, Burghard, Prof, Katz, Amos, Prof, Brachmann, Johannes, Prof, Lewalter, Thorsten, Prof, Goette, Andreas, Prof, Block, Michael, Prof, Kautzner, Josef, Prof, Sack, Stefan, Prof, Husser, Daniela, Prof, Piorkowski, Christopher, MD, Søgaard, Peter, Prof

“…Summary Background An increasing number of patients with heart failure receive implantable cardioverter-defibrillators (ICDs) or cardiac resynchronisation…”
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Predictors of One-Year Mortality After Transcatheter Aortic Valve Implantation for Severe Symptomatic Aortic Stenosis by Zahn, Ralf, MD, Gerckens, Ulrich, MD, Linke, Axel, MD, Sievert, Horst, MD, Kahlert, Philipp, MD, Hambrecht, Rainer, MD, Sack, Stefan, MD, Abdel-Wahab, Mohamed, MD, Hoffmann, Ellen, MD, Schiele, Rudolf, MD, Schneider, Steffen, PhD, Senges, Jochen, MD

“…Transcatheter aortic valve implantation (TAVI) is already an accepted option to treat elderly patients with severe symptomatic aortic stenosis who are…”
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Quantum annealing initialization of the quantum approximate optimization algorithm by Sack, Stefan H., Serbyn, Maksym

“…The quantum approximate optimization algorithm (QAOA) is a prospective near-term quantum algorithm due to its modest circuit depth and promising benchmarks…”
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Clinical features and virological analysis of a case of Middle East respiratory syndrome coronavirus infection by Drosten, Christian, Prof, Seilmaier, Michael, MD, Corman, Victor M, MD, Hartmann, Wulf, MD, Scheible, Gregor, MD, Sack, Stefan, Prof, Guggemos, Wolfgang, MD, Kallies, Rene, PhD, Muth, Doreen, PhD, Junglen, Sandra, PhD, Müller, Marcel A, PhD, Haas, Walter, MD, Guberina, Hana, MD, Röhnisch, Tim, MD, Schmid-Wendtner, Monika, Prof, Aldabbagh, Souhaib, DVM, Dittmer, Ulf, Prof, Gold, Hermann, MD, Graf, Petra, MD, Bonin, Frank, MD, Rambaut, Andrew, DPhil, Wendtner, Clemens-Martin, Prof

“…Summary Background The Middle East respiratory syndrome coronavirus (MERS-CoV) is an emerging virus involved in cases and case clusters of severe acute…”
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Comparison of the Effectiveness of Transcatheter Aortic Valve Implantation in Patients With Stenotic Bicuspid Versus Tricuspid Aortic Valves (from the German TAVI Registry) by Bauer, Timm, MD, Linke, Axel, MD, Sievert, Horst, MD, Kahlert, Philipp, MD, Hambrecht, Rainer, MD, Nickenig, Georg, MD, Hauptmann, Karl Eugen, MD, Sack, Stefan, MD, Gerckens, Ulrich, MD, Schneider, Steffen, PhD, Zeymer, Uwe, MD, Zahn, Ralf, MD

“…Patients with bicuspid aortic valves (BAVs) are considered a relative contraindication to transcatheter aortic valve implantation (TAVI). One of the main…”
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Sex Differences in Percutaneous Coronary Intervention—Insights From the Coronary Angiography and PCI Registry of the German Society of Cardiology by Heer, Tobias, Hochadel, Matthias, Schmidt, Karin, Mehilli, Julinda, Zahn, Ralf, Kuck, Karl‐Heinz, Hamm, Christian, Böhm, Michael, Ertl, Georg, Hoffmeister, Hans Martin, Sack, Stefan, Senges, Jochen, Massberg, Steffen, Gitt, Anselm K., Zeymer, Uwe

“…Background Several studies have suggested sex‐related differences in diagnostic and invasive therapeutic coronary procedures. Methods and Results Data from…”
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Solving Nonnative Combinatorial Optimization Problems Using Hybrid Quantum-Classical Algorithms by Wurtz, Jonathan, Sack, Stefan H., Wang, Sheng-Tao

“…Combinatorial optimization is a challenging problem applicable in a wide range of fields from logistics to finance. Recently, quantum computing has been used…”
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Avoiding Barren Plateaus Using Classical Shadows by Sack, Stefan H., Medina, Raimel A., Michailidis, Alexios A., Kueng, Richard, Serbyn, Maksym

“…Variational quantum algorithms are promising algorithms for achieving quantum advantage on near-term devices. The quantum hardware is used to implement a…”
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Current Results of Surgical Aortic Valve Replacement: Insights From the German Aortic Valve Registry by Holzhey, David, MD, PhD, Mohr, Friedrich W., MD, PhD, Walther, Thomas, MD, PhD, Möllmann, Helge, MD, PhD, Beckmann, Andreas, MD, PhD, Kötting, Joachim, MS, Figulla, Hans Reiner, MD, PhD, Cremer, Jochen, MD, PhD, Kuck, Karl-Heinz, MD, PhD, Lange, Rüdiger, MD, PhD, Sack, Stefan, MD, PhD, Schuler, Gerhard, MD, PhD, Beyersdorf, Friedhelm, MD, PhD, Böhm, Michael, MD, PhD, Heusch, Gerd, MD, PhD, Meinertz, Thomas, MD, PhD, Neumann, Till, MD, PhD, Papoutsis, Konstantinos, MD, PhD, Schneider, Steffen, PhD, Welz, Armin, MD, PhD, Hamm, Christian W., MD, PhD

“…Background Conventional aortic valve replacement (AVR) remains the therapy of choice for many patients with severe aortic valve disease. The unique German…”
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Lethal outcome of granulomatous acanthamoebic encephalitis in a man who was human immunodeficiency virus-positive: a case report by Geith, Stefanie, Walochnik, Julia, Prantl, Franz, Sack, Stefan, Eyer, Florian

“…Acanthamoeba species can cause disseminating infections in immunocompromised individuals. Here, we report a case of granulomatous acanthamoebic encephalitis…”
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Large-scale quantum approximate optimization on nonplanar graphs with machine learning noise mitigation by Sack, Stefan H., Egger, Daniel J.

“…Quantum computers are increasing in size and quality but are still very noisy. Error mitigation extends the size of the quantum circuits that noisy devices can…”
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Sustained low efficiency dialysis should not be interrupted for performing transpulmonary thermodilution measurements by Geith, Stefanie, Stecher, Lynne, Rabe, Christian, Sack, Stefan, Eyer, Florian

“…Background Treatment of multiple organ failure frequently requires enhanced hemodynamic monitoring. When renal replacement is indicated, it remains unclear…”
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Clinical efficacy of cardiac resynchronization therapy using left ventricular pacing in heart failure patients stratified by severity of ventricular conduction delay by Auricchio, Angelo, Stellbrink, Christoph, Butter, Christian, Sack, Stefan, Vogt, Jürgen, Misier, Anand Ramdat, Böcker, Dirk, Block, Michael, Kirkels, Johannes H, Kramer, Andrew, Huvelle, Etienne

“…We assessed the clinical efficacy of single-site left ventricular (LV) pacing and determined the impact of baseline conduction delay severity on the magnitude…”
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Transcatheter Aortic Valve Implantation in Patients With “Porcelain” Aorta (from a Multicenter Real World Registry) by Zahn, Ralf, MD, Schiele, Rudolf, MD, Gerckens, Ulrich, MD, Linke, Axel, MD, Sievert, Horst, MD, Kahlert, Philipp, MD, Hambrecht, Rainer, MD, Sack, Stefan, MD, Abdel-Wahab, Mohamed, MD, Hoffmann, Ellen, MD, Senges, Jochen, MD

“…The presence of severe atherosclerosis of the ascending aorta, and its extreme form the “porcelain” aorta, is associated with a worse clinical outcome in…”
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Transcatheter Aortic Valve Implantation in Patients With Low-Flow, Low-Gradient Aortic Stenosis by Lauten, Alexander, MD, Zahn, Ralf, MD, Horack, Martin, MD, Sievert, Horst, MD, Linke, Axel, MD, Ferrari, Markus, MD, Harnath, Axel, MD, Grube, Eberhard, MD, Gerckens, Ulrich, MD, Kuck, Karl-Heinz, MD, Sack, Stefan, MD, Senges, Jochen, MD, Figulla, Hans R., MD

“…Objectives The purpose of this study was to evaluate the efficacy and outcome of transcatheter aortic valve implantation (TAVI) in patients with low-flow,…”
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Outcome of patients after emergency conversion from transcatheter aortic valve implantation to surgery by Hein, Ralph, Abdel-Wahab, Mohamed, Sievert, Horst, Kuck, Karl-Heinz, Voehringer, Matthias, Hambrecht, Rainer, Sack, Stefan, Hauptmann, Karl E, Senges, Jochen, Zahn, Ralf, Mudra, Harald

“…To evaluate: 1) the causes of emergency conversion from transcatheter aortic valve implantation (TAVI) to surgery, 2) procedural settings, and 3) short-term…”
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Transcatheter Aortic Valve Implantation in Patients With Very High Risk for Conventional Aortic Valve Replacement by Thielmann, Matthias, MD, Wendt, Daniel, MD, Eggebrecht, Holger, MD, Kahlert, Philipp, MD, Massoudy, Parwis, MD, Kamler, Markus, MD, Erbel, Raimund, MD, Jakob, Heinz, MD, Sack, Stefan, MD

“…Background We sought to determine whether transcatheter aortic valve implantation is a reasonable treatment option in patients with a very or extremely high…”
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Entanglement-based observables for quantum impurities by Stocker, Lidia, Sack, Stefan H., Ferguson, Michael S., Zilberberg, Oded

“…Quantum impurities exhibit fascinating many-body phenomena when the small interacting impurity changes the physics of a large noninteracting environment. The…”
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Impact of atherosclerotic plaque composition on coronary microembolization during percutaneous coronary interventions by Böse, Dirk, von Birgelen, Clemens, Zhou, Xiu Ying, Schmermund, Axel, Philipp, Sebastian, Sack, Stefan, Konorza, Thomas, Möhlenkamp, Stefan, Leineweber, Kirsten, Kleinbongard, Petra, Wijns, William, Heusch, Gerd, Erbel, Raimund

“…Background Cardiac marker release after percutaneous coronary interventions (PCI) reflects myocardial necrosis which is usually the result of periprocedural…”
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Treatment of functional mitral valve regurgitation with the permanent percutaneous transvenous mitral annuloplasty system: Results of the multicenter international Percutaneous Transvenous Mitral Annuloplasty System to Reduce Mitral Valve Regurgitation in Patients with Heart Failure trial by MacHaalany, Jimmy, MD, Bilodeau, Luc, MD, Hoffmann, Rainer, MD, Sack, Stefan, MD, Sievert, Horst, MD, Kautzner, Josef, MD, Hehrlein, Christoph, MD, Serruys, Patrick, MD, PhD, Sénéchal, Mario, MD, Douglas, Pamela, MD, Bertrand, Olivier F., MD, PhD

“…Objectives PTOLEMY-2 was a prospective multicenter phase I single-arm feasibility trial to evaluate the second-generation permanent percutaneous transvenous…”
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